/* Copyright 2015-2017 Jack Humbert
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include QMK_KEYBOARD_H

enum planck_layers {
  _QWERTY,
  _LOWER,
  _RAISE,
  _ADJUST
};

enum tap_dances {
    ENC_TAP,
};

#define LOWER FN_MO13
#define RAISE FN_MO23

#define LAYOUT_via( \
    k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c, \
    k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k0c_a, \
    k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, k0c_b, \
    k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b  \
) \
{ \
    { k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, k0c }, \
    { k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k0c_a }, \
    { k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, k0c_b }, \
    { k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, ___ } \
}

// clang-format off
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    [_QWERTY] = LAYOUT_via(
        KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC, USER09,
        KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_VOLU,
        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT , KC_VOLD,
        KC_LSFT, KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
    ),

    [_LOWER] = LAYOUT_via(
        KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR,    KC_ASTR,    KC_LPRN, KC_RPRN, KC_BSPC, _______,
        KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS,    KC_PLUS,    KC_LCBR, KC_RCBR, KC_PIPE, KC_PGDN,
        _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  S(KC_NUHS), S(KC_NUBS), KC_HOME, KC_END,  _______, KC_PGUP,
        _______, _______, _______, _______, _______, _______, _______, _______,    KC_MNXT,    KC_VOLD, KC_VOLU, KC_MPLY
    ),

    [_RAISE] = LAYOUT_via(
        KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC, _______,
        KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS, KC_DOWN,
        _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_NUHS, KC_NUBS, KC_PGUP, KC_PGDN, _______, KC_UP,
        _______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
    ),

    [_ADJUST] = LAYOUT_via(
        _______, RESET,   _______, RGB_TOG, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, KC_DEL , R_M_TOG,
        _______, _______, MU_MOD,  R_M_TOG, R_M_MOD, R_M_HUI, R_M_HUD, R_M_SAI, R_M_SAD, R_M_VAI, R_M_VAD, _______, R_M_HUI,
        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, R_M_HUD,
        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
    )
};
// clang-format on

void dance_enc_finished(qk_tap_dance_state_t *state, void *user_data) {
    if (state->count == 1) {
        register_code(KC_MPLY);
    } else if (state->count == 2) {
        register_code(KC_MNXT);
    } else {
        register_code(KC_MPRV);
    }
}

void dance_enc_reset(qk_tap_dance_state_t *state, void *user_data) {
    if (state->count == 1) {
        unregister_code(KC_MPLY);
    } else if (state->count == 2) {
        unregister_code(KC_MNXT);
    } else {
        unregister_code(KC_MPRV);
    }
}

// Tap Dance definitions
qk_tap_dance_action_t tap_dance_actions[] = {
    [ENC_TAP] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, dance_enc_finished, dance_enc_reset),
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    if (keycode == USER09) {
        preprocess_tap_dance(TD(ENC_TAP), record);
        return process_tap_dance(TD(ENC_TAP), record);
    }
    return true;
}

layer_state_t layer_state_set_user(layer_state_t state) {
    writePinLow(B2);
    writePinLow(B3);
    writePinLow(B7);

    switch (get_highest_layer(state)) {
        case 1:
            writePinHigh(B2);
            break;
        case 2:
            writePinHigh(B3);
            break;
        case 3:
            writePinHigh(B7);
            break;
    }

    return state;
}
